<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>选择器</title>
    <link rel="icon" href="./image/logo.png"/>
    <style>

        p {
            color: red;
        }

        .c1 {
            color: green;
        }

        #id1 {
            color: gold;
        }

    </style>


</head>
<body>

<p>p1</p>
<p >p2</p>
<p class="c1">p3</p>
<p class="c1">p4</p>
<p id="id1">p5</p>

<p>p6
<ul>
    <li>d1</li>
    <li>d2</li>
    <li>d3</li>
    <li>d4</li>
</ul>
</p>

</body>
</html>